Head with dovetail slideway can be tilted through 90 scale ring available enables diagonal drilling and versatile milling strongly geared down rack and pinion feed with return spring for more feeling with effortless drilling practical drill depth scale with adjustable limit stop maximum travel 40mm with standard 20mm collar for micromot drilling and milling devices with solid hard chromium plated steel column 280 x 20mm throat capacity column inside to centre of tool 140mm flat